en 
142 
being a subgenus of Archytas.' All of our species have the third 
antennal joint strongly convex on the upper side, four postsutural and 
three sternopleural macrochete : 
1. Sides of face bearing black hairs, abdomen shining, not pollinose.. 3. 
Sides of face destitute of black hairs; calypteres whitish. ...... 2. 
2, Abdomen subopaque, marked with large gray pollinose spots; black, 
the head except the occiput, the first two joints of antennae, 
palpi, fourth abdominal segment largely, and sometimes the 
sides of the second, yellowish; thorax subopaque gray pollinose, 
marked with four black vittte; length,10 mm. Waco, Tex., and 
Jamaica, West Indies. (Tijdschrift voor Entomologie, Vol. 
XXVI, p. 22; 1883: Hehinomyia.).-2-2 2222 .- piliventris v. d. W. 
Abdomen shining, tinged with blue, not pollinose except the fourth 
segment; thorax opaque gray pollinose, with a strong brassy 
tinge, marked with five black vitte, scutellum yellow, some- 
times the sides and tip of the abdomen are more or less yellow; 
length, 11 to15 mm. Toronto, Canada; White Mountains, New 
Hampshire; New York, N. Y.; District of Columbia; northern 
Illinois; Missouri; Georgia; Waco, Tex.; northern California, 
and Jamaica, West Indies. (Systema Antliatorum, p.511; 1805: 
Tachina. Jurinia amethystina Macquart, Dipteres Exotiques, 
Vol. Il, Part II, p. 199 [42], 1842; and Supplement I, p. 147. 
Tachina apicifera Walker, List of Dipterous Insects, Part IV, 
p. 718; 1849. Tachina californie Walker, Insecta Saundersiana, 
Vol. I, p. 270; 1856. Archytas sp., Brauer and Bergenstamm in 
LE oe PASE RCE SIO oA Peper Siar WAC IeE SEE eas ess analis Fabr. 
3. Calypteres whitish 
Calypteres brown, thorax shining bluish, the front end grayish “the 
nose and marked with four black tikes abdomen shining red- 
dish, strongly tinged with pale blue; length,13 tol6imm. New 
Bedford, Mass.; Cumberland Gap, Ky.; Florida; Egypt, Ga.; 
Holly Springs, Miss.; Baton Rouge, La., and Kansas. (Systema 
Entomologie, p. 777; 1775: Musca. Jurinia boscii Desvoidy, 
Essai sur les Myodaires, p. 36; 1830. Hchinomyia georgica 
Macquart, Histoire Naturelle Insectes, Dipteres, Vol. II, p. 79; 
1835. Jurinia virginiensis Macquart, Dipteres Exotiques, Sup- 
plement IV, Part Il, p. 144 (171); 1851. Jurinia fuscipennis 
Jaennicke, Neue Exot. Dipt., p. 83 (391); 1867. Jurinia hys- 
tricoides Williston, Trans. Am. Ent. Soe., Vol. XIII, p. 300; 
October, 1886. Archytas hystricoides Will., Brauer and Ber- 
genstamm in Witt. ) sah ee atime a eee eee ee _ hystrt 1a” abr. 
mee. Citing, WABI oy 613. 
2In the Tawi if. Kais. Mus. Wien, IV, p.133, Brauer and Bergenstamm refer this 
species to the present genus from an examination of specimens which Wiedemann 
compared with the type specimen of hystrix and declared them to be identical with 
the latter. 
